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Finding the Fourth Proportional to 1,476.70, 2,213.41 and 610.26

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Solution

The fourth proportional to 1,476.70, 2,213.41 and 610.26 is: 914.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.70 : 2,213.41 = 610.26 : x
  2. Step 2: Convert to fraction form
    1,476.70/2,213.41 = 610.26/x
  3. Step 3: Cross multiply
    1,476.70x = 2,213.41 × 610.26
  4. Step 4: Simplify right side
    1,476.70x = 1,350,755.59
  5. Step 5: Solve for x
    x = 1,350,755.59/1,476.70
  6. Step 6: Final answer
    x = 914.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.